US3129539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface sander having automatic leveling properties
Assignee: Individual
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Filing: 1962-12-26
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Granted: 1964-04-21
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Nicholas L Tempero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:51
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/18; B24B7/186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A SELF LEVELING FINISHING MACHINE FOR USE ON SURFACES OF THE CHARACTER DESCRIBED, COMPRISING: A MAIN HOUSING HAVING SURFACE FINISHING MEANS ROTATABLY CARRIED BY SAID TO; AN AUXILIARY HOUSING SHIFTABLY SUPPORTED BY SAID MAIN HOUSING; SURFACE FINISHING MEANS ROTATABLY CARRIED BY SAID AUXILIARY HOUSING AND BEING DISPOSED FOR ROTATIONAL CONTACT WITH SAID SURFACE WITH SAID AUXILIARY HOUSING AND SAID SURFACE FINISHING MEANS SHIFTING RELATIVELY OF SAID MAIN HOUSING IN UNISON; SENSING MEANS CARRIED BY SAID MAIN HOUSING FOR ENGAGEMENT WITH SAID FLOOR SURFACE AND BEING SHIFTABLE RELATIVELY OF SAID MAIN HOUSING AND SAID AUXILIARY HOUSING IN RESPONSE TO CONTACT WITH SURFACE IRREGULARITIES ENCOUNTERES BY SAID ANTI-FRICTION MEANS DURING MOVEMENT THEREOF ACROSS SAID SURFACE BEING FINISHED; AND LEVELING MEANS REPONDING TO MOVEMENT OF SAID SENSING MEANS RELATIVELY OF SAID MAIN HOUSING AND MAINTAINING SAID AUXILIARY HOUSING AND SAID SURFACE FINSIHING MEANS IN SUBSTANTIAL PARALLELISM WITH SAID SURFACE, NOTWITHSTANDING SHIFTING OF SAID MAIN HOUSING UPON ENCOUNTERING SAID IRREGULARITIES.
Claim 2
Dependent Claim
156 words
A SELF LEVELING FINISHING MACHINE FOR USE ON SURFACES OF THE CHARACTER DESCRIBED, COMPRISING: A MAIN HOUSING HAVING SURFACE FINISHING MEANS ROTATABLY CARRIED BY SAID TO; AN AUXILIARY HOUSING SHIFTABLY SUPPORTED BY SAID MAIN HOUSING; SURFACE FINISHING MEANS ROTATABLY CARRIED BY SAID AUXILIARY HOUSING AND BEING DISPOSED FOR ROTATIONAL CONTACT WITH SAID SURFACE WITH SAID AUXILIARY HOUSING AND SAID SURFACE FINISHING MEANS SHIFTING RELATIVELY OF SAID MAIN HOUSING IN UNISON; SENSING MEANS CARRIED BY SAID MAIN HOUSING FOR ENGAGEMENT WITH SAID FLOOR SURFACE AND BEING SHIFTABLE RELATIVELY OF SAID MAIN HOUSING AND SAID AUXILIARY HOUSING IN RESPONSE TO CONTACT WITH SURFACE IRREGULARITIES ENCOUNTERES BY SAID ANTI-FRICTION MEANS DURING MOVEMENT THEREOF ACROSS SAID SURFACE BEING FINISHED; AND LEVELING MEANS REPONDING TO MOVEMENT OF SAID SENSING MEANS RELATIVELY OF SAID MAIN HOUSING AND MAINTAINING SAID AUXILIARY HOUSING AND SAID SURFACE FINSIHING MEANS IN SUBSTANTIAL PARALLELISM WITH SAID SURFACE, NOTWITHSTANDING SHIFTING OF SAID MAIN HOUSING UPON ENCOUNTERING SAID IRREGULARITIES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |